<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    // 下列有一处错误，请找出哦~~
      // const obj = {
      //     username: '小明',
      //     age: 18
      // }
      // const {uname: username, age} = 
      

      const obj = {
          username: '小明',
          age: 18
      }
      const {username, age} = obj
  </script>
</body>
</html>